"Dockerizing" a Node.js Application
There are many ways to deploy a Node.js application in practice. The simplest one is just running the node index.js command to start it. However, to keep the application running continuously, we need a process management tool, such as pm2. Using pm2, we can initialize a Node process and keep it running until we intentionally stop it. Moreover, it allows us to scale the application from 1 instance to 2, 3, 4... instances, as long as your server can handle it. pm2 also offers many other features that you can explore in its documentation. Recently, the keywords "Dockerize" or "Containerize" have been gaining popularity in the online community. In simple terms, it means "packaging" the application into a single "file" called an Image. After the application is packaged, it can be launched with Docker using just a few commands...
🕝2 years ago